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Tom Williams, vice president of programs at Airbus Group NV, adjusts his tie during an event to mark the debut flight of the Airbus A320neo aircraft at Toulouse-Blagnac airport in Toulouse, France, on Thursday, Sept. 25, 2014. The Toulouse, France-based manufacturer's long-term forecast predicts demand for almost 9,300 wide-body planes worth $2.5 trillion -- 1,500 of those in the 400-seat-plus bracket occupied by the A380 -- and more than 22,000 single-aisle planes valued at $2.1 trillion in the market dominated by the A320 and Chicago-based Boeing's 737. Photographer: Balint Porneczi/Bloomberg via Getty Images

Tom Williams, vice president of programs at Airbus Group NV, adjusts his tie during an event to mark the debut flight of the Airbus A320neo aircraft at Toulouse-Blagnac airport in Toulouse, France, on Thursday, Sept. 25, 2014. The Toulouse, France-based manufacturer's long-term forecast predicts demand for almost 9,300 wide-body planes worth $2.5 trillion -- 1,500 of those in the 400-seat-plus bracket occupied by the A380 -- and more than 22,000 single-aisle planes valued at $2.1 trillion in the market dominated by the A320 and Chicago-based Boeing's 737. Photographer: Balint Porneczi/Bloomberg via Getty Images